Rare parts in 42703-1: Mermaid Roller Coaster Ride

This set inventory has been obtained from LEGO Customer Services replacement parts page. It was retrieved on 3 June 2026 and contains 799 pieces.

Important note: We do not control this inventory and cannot currently make changes to it. Use it as a guide to the contents of the set, or to find out part numbers when requesting replacements.

Element Image Qty Colour Category Design Element name Element
in sets		 Element
introduced in		 Design
in sets		 Design
introduced in
6576896 <h1><a href='/parts/6576896/design-element-no-8'>DESIGN ELEMENT, NO. 8</a></h1><div class='tags floatleft'><a href='/parts/6576896/design-element-no-8'>6576896</a> <a href='/parts/design-5500'>5500</a> <a href='/parts/platform-System'>System</a> <a href='/parts/category-Miscellaneous'>Miscellaneous</a> <a href='/parts/colour-Cool-Yellow'>Cool Yellow</a> <a href='/parts/year-2025'>2025</a></div><div class='floatright'>©2025 LEGO Group</div>

DESIGN ELEMENT, NO. 8

6576896 5500 System Miscellaneous Cool Yellow 2025
©2025 LEGO Group
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2 Cool Yellow Miscellaneous 5500 DESIGN ELEMENT, NO. 8 2 2025 8 2024
6578999 <h1><a href='/parts/6578999/carrot'>CARROT</a></h1><div class='tags floatleft'><a href='/parts/6578999/carrot'>6578999</a> <a href='/parts/design-20086'>20086</a> <a href='/parts/platform-System'>System</a> <a href='/parts/category-Minifigure-Accessories'>Minifigure Accessories</a> <a href='/parts/colour-Cool-Yellow'>Cool Yellow</a> <a href='/parts/year-2026'>2026</a></div><div class='floatright'>©2026 LEGO Group</div>

CARROT

6578999 20086 System Minifigure Accessories Cool Yellow 2026
©2026 LEGO Group
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4 Cool Yellow Minifigure Accessories 20086 CARROT 3 2026 174 2011
6489736 <h1><a href='/parts/6489736/frame-1x6x6'>FRAME 1X6X6</a></h1><div class='tags floatleft'><a href='/parts/6489736/frame-1x6x6'>6489736</a> <a href='/parts/design-42205'>42205</a> <a href='/parts/platform-System'>System</a> <a href='/parts/category-Buildings-Furniture'>Buildings & Furniture</a> <a href='/parts/colour-Lavender'>Lavender</a> <a href='/parts/year-2024'>2024</a></div><div class='floatright'>©2024 LEGO Group</div>

FRAME 1X6X6

6489736 42205 System Buildings & Furniture Lavender 2024
©2024 LEGO Group
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1 Lavender Buildings & Furniture 42205 FRAME 1X6X6 3 2024 128 2019
6454737 <h1><a href='/parts/6454737/mini-head'>MINI HEAD</a></h1><div class='tags floatleft'><a href='/parts/6454737/mini-head'>6454737</a> <a href='/parts/design-3274'>3274</a> <a href='/parts/platform-System'>System</a> <a href='/parts/category-Minifigure-Parts'>Minifigure Parts</a> <a href='/parts/colour-Medium-Azur'>Medium Azur</a> <a href='/parts/year-2024'>2024</a></div><div class='floatright'>©2024 LEGO Group</div>

MINI HEAD

6454737 3274 System Minifigure Parts Medium Azur 2024
©2024 LEGO Group
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1 Medium Azur Minifigure Parts 3274 MINI HEAD 3 2024 164 2023
6585183 <h1><a href='/parts/6585183/brick-2x2-round-w-hole-ã˜4-85'>BRICK 2X2 ROUND W/ HOLE Ø4,85</a></h1><div class='tags floatleft'><a href='/parts/6585183/brick-2x2-round-w-hole-ã˜4-85'>6585183</a> <a href='/parts/design-79566'>79566</a> <a href='/parts/platform-System'>System</a> <a href='/parts/category-Bricks'>Bricks</a> <a href='/parts/colour-Medium-Azur'>Medium Azur</a> <a href='/parts/year-2026'>2026</a></div><div class='floatright'>©2026 LEGO Group</div>

BRICK 2X2 ROUND W/ HOLE Ø4,85

6585183 79566 System Bricks Medium Azur 2026
©2026 LEGO Group
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2 Medium Azur Bricks 79566 BRICK 2X2 ROUND W/ HOLE Ø4,85 3 2026 133 2017
6599547 <h1><a href='/parts/6599547/tile-3x3-circle-no-1'>TILE 3X3, CIRCLE, NO. 1</a></h1><div class='tags floatleft'><a href='/parts/6599547/tile-3x3-circle-no-1'>6599547</a> <a href='/parts/design-67095'>67095</a> <a href='/parts/platform-System'>System</a> <a href='/parts/category-Plates'>Plates</a> <a href='/parts/colour-Medium-Azur'>Medium Azur</a> <a href='/parts/year-2026'>2026</a></div><div class='floatright'>©2026 LEGO Group</div>

TILE 3X3, CIRCLE, NO. 1

6599547 67095 System Plates Medium Azur 2026
©2026 LEGO Group
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1 Medium Azur Plates 67095 TILE 3X3, CIRCLE, NO. 1 1 2026 266 2020
6451282 <h1><a href='/parts/6451282/brick-w-bow-1x8x2'>BRICK W. BOW 1X8X2</a></h1><div class='tags floatleft'><a href='/parts/6451282/brick-w-bow-1x8x2'>6451282</a> <a href='/parts/design-40296'>40296</a> <a href='/parts/platform-System'>System</a> <a href='/parts/category-Bricks'>Bricks</a> <a href='/parts/colour-Medium-Lavender'>Medium Lavender</a> <a href='/parts/year-2023'>2023</a></div><div class='floatright'>©2023 LEGO Group</div>

BRICK W. BOW 1X8X2

6451282 40296 System Bricks Medium Lavender 2023
©2023 LEGO Group
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1 Medium Lavender Bricks 40296 BRICK W. BOW 1X8X2 3 2023 217 2010
6485863 <h1><a href='/parts/6485863/brick-2x8'>BRICK 2X8</a></h1><div class='tags floatleft'><a href='/parts/6485863/brick-2x8'>6485863</a> <a href='/parts/design-93888'>93888</a> <a href='/parts/platform-System'>System</a> <a href='/parts/category-Bricks'>Bricks</a> <a href='/parts/colour-Medium-Lavender'>Medium Lavender</a> <a href='/parts/year-2024'>2024</a></div><div class='floatright'>©2024 LEGO Group</div>

BRICK 2X8

6485863 93888 System Bricks Medium Lavender 2024
©2024 LEGO Group
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8 Medium Lavender Bricks 93888 BRICK 2X8 2 2024 803 2001
6543490 <h1><a href='/parts/6543490/roof-tile-1x2-deg-45-w-o-knobs'>ROOF TILE 1X2, DEG. 45, W/O KNOBS</a></h1><div class='tags floatleft'><a href='/parts/6543490/roof-tile-1x2-deg-45-w-o-knobs'>6543490</a> <a href='/parts/design-28192'>28192</a> <a href='/parts/platform-System'>System</a> <a href='/parts/category-Bricks'>Bricks</a> <a href='/parts/colour-Medium-Lavender'>Medium Lavender</a> <a href='/parts/year-2025'>2025</a></div><div class='floatright'>©2025 LEGO Group</div>

ROOF TILE 1X2, DEG. 45, W/O KNOBS

6543490 28192 System Bricks Medium Lavender 2025
©2025 LEGO Group
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12 Medium Lavender Bricks 28192 ROOF TILE 1X2, DEG. 45, W/O KNOBS 3 2025 1310 2017
6590532 <h1><a href='/parts/6590532/roof-tile-1x2-45â°-w-1-3-plate'>ROOF TILE 1X2 45° W 1/3 PLATE</a></h1><div class='tags floatleft'><a href='/parts/6590532/roof-tile-1x2-45â°-w-1-3-plate'>6590532</a> <a href='/parts/design-15672'>15672</a> <a href='/parts/platform-System'>System</a> <a href='/parts/category-Bricks'>Bricks</a> <a href='/parts/colour-Medium-Lavender'>Medium Lavender</a> <a href='/parts/year-2026'>2026</a></div><div class='floatright'>©2026 LEGO Group</div>

ROOF TILE 1X2 45° W 1/3 PLATE

6590532 15672 System Bricks Medium Lavender 2026
©2026 LEGO Group
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2 Medium Lavender Bricks 15672 ROOF TILE 1X2 45° W 1/3 PLATE 3 2026 1688 2012
6524991 <h1><a href='/parts/6524991/torso-boy-w-arm-no-199'>TORSO,BOY, W/ ARM, NO. 199</a></h1><div class='tags floatleft'><a href='/parts/6524991/torso-boy-w-arm-no-199'>6524991</a> <a href='/parts/design-73161'>73161</a> <a href='/parts/platform-System'>System</a> <a href='/parts/category-Minifigure-Parts'>Minifigure Parts</a> <a href='/parts/colour-Medium-Nougat'>Medium Nougat</a> <a href='/parts/year-2025'>2025</a></div><div class='floatright'>©2025 LEGO Group</div>

TORSO,BOY, W/ ARM, NO. 199

6524991 73161 System Minifigure Parts Medium Nougat 2025
©2025 LEGO Group
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1 Medium Nougat Minifigure Parts 73161 TORSO,BOY, W/ ARM, NO. 199 3 2025 135 2020
6605054 <h1><a href='/parts/6605054/tile-1x2-1-2-circle'>TILE 1X2, 1/2 CIRCLE</a></h1><div class='tags floatleft'><a href='/parts/6605054/tile-1x2-1-2-circle'>6605054</a> <a href='/parts/design-1126'>1126</a> <a href='/parts/platform-System'>System</a> <a href='/parts/category-Plates'>Plates</a> <a href='/parts/colour-Nougat'>Nougat</a> <a href='/parts/year-2026'>2026</a></div><div class='floatright'>©2026 LEGO Group</div>

TILE 1X2, 1/2 CIRCLE

6605054 1126 System Plates Nougat 2026
©2026 LEGO Group
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8 Nougat Plates 1126 TILE 1X2, 1/2 CIRCLE 2 2026 271 2022
6576890 <h1><a href='/parts/6576890/plant-w-3-2-shaft-no-2'>PLANT, W/ 3.2 SHAFT, NO. 2</a></h1><div class='tags floatleft'><a href='/parts/6576890/plant-w-3-2-shaft-no-2'>6576890</a> <a href='/parts/design-49577'>49577</a> <a href='/parts/platform-System'>System</a> <a href='/parts/category-Animals-Nature'>Animals & Nature</a> <a href='/parts/colour-Reddish-Orange'>Reddish Orange</a> <a href='/parts/year-2025'>2025</a></div><div class='floatright'>©2025 LEGO Group</div>

PLANT, W/ 3.2 SHAFT, NO. 2

6576890 49577 System Animals & Nature Reddish Orange 2025
©2025 LEGO Group
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4 Reddish Orange Animals & Nature 49577 PLANT, W/ 3.2 SHAFT, NO. 2 2 2025 55 2019
6523921 <h1><a href='/parts/6523921/brick-1x2-w-1-knob'>BRICK 1X2 W/ 1 KNOB</a></h1><div class='tags floatleft'><a href='/parts/6523921/brick-1x2-w-1-knob'>6523921</a> <a href='/parts/design-7133'>7133</a> <a href='/parts/platform-System'>System</a> <a href='/parts/category-Bricks'>Bricks</a> <a href='/parts/colour-Transparent'>Transparent</a> <a href='/parts/year-2025'>2025</a></div><div class='floatright'>©2025 LEGO Group</div>

BRICK 1X2 W/ 1 KNOB

6523921 7133 System Bricks Transparent 2025
©2025 LEGO Group
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2 Transparent Bricks 7133 BRICK 1X2 W/ 1 KNOB 3 2025 3 2025
6514316 <h1><a href='/parts/6514316/mini-helmet-no-253'>MINI HELMET, NO. 253</a></h1><div class='tags floatleft'><a href='/parts/6514316/mini-helmet-no-253'>6514316</a> <a href='/parts/design-51283'>51283</a> <a href='/parts/platform-System'>System</a> <a href='/parts/category-Minifigure-Accessories'>Minifigure Accessories</a> <a href='/parts/colour-Transparent-Blue-With-Opalescence'>Transparent Blue With Opalescence</a> <a href='/parts/year-2026'>2026</a></div><div class='floatright'>©2026 LEGO Group</div>

MINI HELMET, NO. 253

6514316 51283 System Minifigure Accessories Transparent Blue With Opalescence 2026
©2026 LEGO Group
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1 Transparent Blue With Opalescence Minifigure Accessories 51283 MINI HELMET, NO. 253 2 2026 43 2019
6565020 <h1><a href='/parts/6565020/wig-w-1-5-hole-no-1'>WIG, W/ 1,5 HOLE, NO. 1</a></h1><div class='tags floatleft'><a href='/parts/6565020/wig-w-1-5-hole-no-1'>6565020</a> <a href='/parts/design-5828'>5828</a> <a href='/parts/platform-System'>System</a> <a href='/parts/category-Minifigure-Parts'>Minifigure Parts</a> <a href='/parts/colour-Transparent-Bright-Violet-With-Opalescence'>Transparent Bright Violet With Opalescence</a> <a href='/parts/year-2025'>2025</a></div><div class='floatright'>©2025 LEGO Group</div>

WIG, W/ 1,5 HOLE, NO. 1

6565020 5828 System Minifigure Parts Transparent Bright Violet With Opalescence 2025
©2025 LEGO Group
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1 Transparent Bright Violet With Opalescence Minifigure Parts 5828 WIG, W/ 1,5 HOLE, NO. 1 2 2025 13 2023
6585259 <h1><a href='/parts/6585259/plate-4x4-w-hor-3-2-shaft-no-1'>PLATE 4X4, W/ HOR. 3.2 SHAFT, NO. 1</a></h1><div class='tags floatleft'><a href='/parts/6585259/plate-4x4-w-hor-3-2-shaft-no-1'>6585259</a> <a href='/parts/design-7068'>7068</a> <a href='/parts/platform-System'>System</a> <a href='/parts/category-Plates'>Plates</a> <a href='/parts/colour-Transparent-Light-Blue'>Transparent Light Blue</a> <a href='/parts/year-2026'>2026</a></div><div class='floatright'>©2026 LEGO Group</div>

PLATE 4X4, W/ HOR. 3.2 SHAFT, NO. 1

6585259 7068 System Plates Transparent Light Blue 2026
©2026 LEGO Group
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1 Transparent Light Blue Plates 7068 PLATE 4X4, W/ HOR. 3.2 SHAFT, NO. 1 3 2026 30 2025
6545848 <h1><a href='/parts/6545848/accessories-marine-life-no-1'>ACCESSORIES, MARINE LIFE, NO. 1</a></h1><div class='tags floatleft'><a href='/parts/6545848/accessories-marine-life-no-1'>6545848</a> <a href='/parts/design-49595'>49595</a> <a href='/parts/platform-System'>System</a> <a href='/parts/category-Animals-Nature'>Animals & Nature</a> <a href='/parts/colour-Vibrant-Yellow'>Vibrant Yellow</a> <a href='/parts/year-2025'>2025</a></div><div class='floatright'>©2025 LEGO Group</div>

ACCESSORIES, MARINE LIFE, NO. 1

6545848 49595 System Animals & Nature Vibrant Yellow 2025
©2025 LEGO Group
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1 Vibrant Yellow Animals & Nature 49595 ACCESSORIES, MARINE LIFE, NO. 1 2 2025 12 2019